3.5cm, 6.0cm, 7.0cm, 9.0cm, 10.0cm, 15cm ... , storage and so on.Available with 6 different diameters of 3.5, 6.0, 7.0, 9.0, 10.0 ... are available for very effective gas exchange Numeric Scale 12, 3, 6, 9 divides dish into quadrants for easy orientation ... .821.2YY10/600TCD000070 68.0 15.0*73.536.3 Y Y 10/600 TCD00009084.6 17.0*91. ... .821.2YY10/600TCD010070 68.0 15.0*73.536.3 Y Y 10/600 TCD01009084.6 17.0*91. ...